Using Calculator in Windows 7

Applies to Windows 7

You can use Calculator to perform simple calculations such as addition, subtraction, multiplication, and division. Calculator also offers the advanced capabilities of a programming, scientific, and statistical calculator.

You can perform calculations by clicking the calculator buttons, or you can type calculations by using your keyboard. You can also use the numeric keypad to type numbers and operators by pressing Num Lock. For more information about using the keyboard with Calculator, see Keyboard shortcuts.

Calculator window

Open Calculator by clicking the Start button . In the search box, type Calculator, and then, in the list of results, click Calculator.

Click the View menu, and then click the mode that you want.

When you switch modes, the current calculation is cleared. Calculation history and numbers stored by the memory keys are retained.

When you use Statistics mode, you can enter the data that you want to calculate statistics for and then perform the calculations. When you enter the data, it's displayed in the history area and the number of values you have entered is displayed in the calculation area.

Click the View menu, and then click Statistics.

Type or click your first piece of data, and then click Add to add the data to the dataset.

Calculation history keeps track of all the calculations that Calculator performs in a session and is available in Standard and Scientific modes. You can change the values in the calculations in your history. While you're editing the calculation history, the result of the selected calculation is displayed in the result area.

Click the View menu, and then click History.

Double-click the calculation that you want to edit.

Enter the new values that you want to calculate, and then press Enter.

Note

Calculation history is kept separately for Standard and Scientific modes. The history that's displayed depends on the mode that you're using.